CN109900514A - A kind of adhesive tape sample sampling device and sampling method and the pre-buried method for optimizing position of adhesive tape for the test of bonded structure ageing properties - Google Patents
A kind of adhesive tape sample sampling device and sampling method and the pre-buried method for optimizing position of adhesive tape for the test of bonded structure ageing properties Download PDFInfo
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- CN109900514A CN109900514A CN201910311699.6A CN201910311699A CN109900514A CN 109900514 A CN109900514 A CN 109900514A CN 201910311699 A CN201910311699 A CN 201910311699A CN 109900514 A CN109900514 A CN 109900514A
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Abstract
The invention discloses a kind of adhesive tape sample sampling devices for the test of bonded structure ageing properties, comprising: the first frame, one end are vertically installed with the first protrusion, and the other end is vertically installed with the first groove, and middle part is recessed inwardly；Second frame, one end are vertically installed with the second groove, and the other end is vertically installed with the second protrusion, and middle part is recessed inwardly；Wherein, first frame and second frame are detachably connected to form frame entirety；First fluting position, is provided on the side inside and outside first frame and second frame；Second fluting position, being located at the upper fluting is lower section；Multiple preformed holes are separately positioned on the both ends of the first fluting position and second fluting position.It can overcome the problems, such as that existing vehicle window bonded structure samples difficulty under the conditions of natural aging.The present invention also provides a kind of adhesive tape sample sampling methods and a kind of pre-buried method for optimizing position of adhesive tape for the test of bonded structure ageing properties.
Description
Technical field
The present invention relates to it is a kind of for bonded structure ageing properties test adhesive tape sample sampling device and sampling method and
The pre-buried method for optimizing position of adhesive tape, belongs to bonded structure experimental test and technical field.
Background technique
With industrial new material, new technology and light-weighted continuous development, adhesive technology application is used widely.Glue
Stick is broadly divided into elastic attachment adhesive and sqtructural adhesive, the elastic attachment adhesive of high-speed rail vehicle window mainly.By using bonding skill
The connection between dissimilar material may be implemented in art, enhances rigidity, durability and the anti-collision of connection structure.By adhesive technology
The comfort of driving can be improved applied to car body, the interior noise of reduction, reduction vibration, reduction weight, reduction energy consumption, simplify work
Skill improves product quality, even up to the unapproachable effect of the methods of welding, riveting institute.
Train of high-speed motor train unit needs to adapt in use complicated Service Environment, therefore is applied to high-speed EMUs
The bonded structure of train vehicle body is often under complex environment factor (temperature, humidity) effect.The adhesive property of bonding agent is by ring
Border (temperature, humidity) influence is more obvious, will appear aging phenomenon, in the long-term use so as to cause bonded structure performance
It reduces, largely hinders application of the adhesive technology in vehicle body connection.
Under this technical background, the natural environment degradation of adhesive is particularly necessary, at present real vehicle vehicle window bonding knot
Structure ageing properties test under the conditions of natural aging is difficult, since the adhesive tape after natural aging needs after running certain mileage
It is cut down on vehicle window bonded structure when high-speed EMUs is overhauled, it is difficult to ensure that adhesive tape is complete when cutting, it is difficult to manufactured size system
One, thickness is uniform and undamaged dumbbell shape test specimen.The obtained stress-of adhesive tape strength test is carried out with this dumbbell shape adhesive tape
There is very big error in the mechanical property parameters such as strain curve, tensile strength, can not be viscous by subsequent ageing failure test assessment
The ageing failure behavior of binding structure judges whether bonded structure is safe.Based on the above circumstances, the present invention proposes a kind of convenient for nature
The experimental rig and test method of degradation exemplar cutting improve the deficiency of existing exemplar preparation.
Summary of the invention
The present invention has designed and developed a kind of adhesive tape sample sampling device for the test of bonded structure ageing properties, Neng Gouke
It takes existing real vehicle vehicle window bonded structure and samples difficulty under the conditions of natural aging, not can guarantee and sample complete and sampling precision, shadow
The problem of ringing follow-up test result.
The present invention has also designed and developed a kind of adhesive tape sample sampling method for the test of bonded structure ageing properties, can
Sample is fast and accurately taken out, and guarantees materialsed dimensional accuracy.
The present invention has also designed and developed a kind of pre-buried method for optimizing position of adhesive tape, can not interrupt colloid continuity, no
Under the premise of influencing integral strength, the pre-buried position of adhesive tape sample carries out selection positioning.
Technical solution provided by the invention are as follows:
A kind of adhesive tape sample sampling device for the test of bonded structure ageing properties, comprising:
First frame, one end are vertically installed with the first protrusion, and the other end is vertically installed with the first groove, and middle part is inwardly
Recess；
Second frame, one end are vertically installed with the second groove, and the other end is vertically installed with the second protrusion, and middle part is inwardly
Recess；
Wherein, first protrusion is matched with second groove, and first groove and second protrusion match
It closes, first frame and second frame is made to be detachably connected to form frame entirety；
First fluting position, is provided on the side inside and outside first frame and second frame；
Second fluting position, with the first fluting bit interval setting；
Multiple preformed holes are separately positioned on the both ends of the first fluting position and second fluting position.
Preferably, the preformed hole and the fluting position are tangent.
Preferably, further includes:
Two connecting plates are detachably arranged in outside two end faces of the frame entirety.
Preferably, 2mm is divided between described.
Preferably, the frame entirety surrounding is coated with teflon coatings.
Preferably, the frame entirety is in dumbbell-shaped structure.
Preferably, first frame and second frame roof are provided with scale.
A kind of adhesive tape sample sampling method for the test of bonded structure ageing properties is used for bonded structure using described
The adhesive tape sample sampling device of ageing properties test, which is characterized in that specifically include as follows:
Step 1 cuts sampler profile；
Step 2, by the sampler locations of contours on testing stand, use boring bar tool alignment sampler side
Preformed hole drills from one side of sampler to the other side, obtains the sampler that both ends have through-hole；
Step 3 successively protrudes into cutting tool in the through-hole of sampler profile one end, along fluting position from one end to another
It is cut one end；
Step 4 dismantles the first frame and the second frame, removes and tears extra adhesive tape, obtain target sample.
A kind of pre-buried method for optimizing position of adhesive tape uses the adhesive tape sample for the test of bonded structure ageing properties
Sampler, which is characterized in that the pre-buried position of the sampler is optimized, includes the following:
Determine target vehicle window size；Vertical load is applied to the bonding glue-line of forms, carries out analytical calculation；It is tied according to analysis
Fruit determines pre-buried position；
Wherein it is determined that pre-buried position is close to the vehicle window side edge in maximum stress region and maximum distortion region.
Preferably, the maximum stress that the bonding glue-line of the vehicle window is born is 0.52Mpa, the deformation at maximum distortion
Value is 0.241mm.
It is of the present invention the utility model has the advantages that
1, when high-speed EMUs vehicle window installs gluing, dumbbell shape test specimen needed for getting test ready using pre-buried mode, when need
When testing the adhesive tape residual intensity of natural aging, sample is removed at the pre-buried place of vehicle window surrounding, it is straight by simple cutting process
It connects to obtain the higher sample of dimensional accuracy.
2, manual cutter member size disunity at present, situation in uneven thickness, gained are avoided using pre-buried test specimen mode
Sample can be tested directly, being capable of accurate description its material mechanical performance.
3, pre-buried sampler combination finite element emulation location optimization, can not interrupt colloid continuity, do not influence it is whole
Body intensity, can more accurately reflect institute it is loaded in the case where selection positioning is carried out to pre-buried position.
4, it is able to solve the defect that Lifetime Forecasting Test test specimen is difficult to cut using the present apparatus, designs size needed for standard
And the smooth complete test specimen in surface, facilitate subsequent prediction and assess the natural aging failure behaviour of vehicle window bonded structure, for high speed
The Intensity Design of EMU vehicle window bonded structure provides test and theoretic support.
5, it is connected between connecting plate and sampler body or so component using outer-hexagonal bolts, such as with other structures screw
Cross screw is compared, and colloid is easy to clean after being covered at outer-hexagonal bolts nut by colloid, convenient for screwing out.
Detailed description of the invention
Fig. 1 is the forms assembly diagram of high-speed rail vehicle window of the present invention.
Fig. 2 is the axonometric drawing of the adhesive tape sample sampling device of the present invention for the test of bonded structure ageing properties.
Fig. 3 is the explosive view of the adhesive tape sample sampling device of the present invention for the test of bonded structure ageing properties.
Fig. 4 is the front view of the adhesive tape sample sampling device of the present invention for the test of bonded structure ageing properties.
Fig. 5 is the top view of the adhesive tape sample sampling device of the present invention for the test of bonded structure ageing properties.
Fig. 6 is the left view of the adhesive tape sample sampling device of the present invention for the test of bonded structure ageing properties.
Fig. 7 is the A-A section view of the adhesive tape sample sampling device of the present invention for the test of bonded structure ageing properties
Figure.
Fig. 8 is the forms geometrical model figure of high-speed rail vehicle window of the present invention.
Fig. 9 is the pre-buried position of the adhesive tape sample for the test of bonded structure ageing properties and sampler of the present invention
Set front view.
Specific embodiment
Present invention will be described in further detail below with reference to the accompanying drawings, to enable those skilled in the art referring to specification text
Word can be implemented accordingly.
As shown in figs 1-9, the present invention provides a kind of adhesive tape sample sampling device for the test of bonded structure ageing properties,
It include: that forms 100, sampler 200,210 frame of left frame, the second frame 260, first fluting position 230, second are slotted position 260, pre-
It boxes out 280a, 280b and connecting plate 240.
Sampler 200 is embedded in the bonded structure of forms 100, and 100 structure of high-speed rail vehicle window forms uses double glazing,
It is made of two layers or two layers or more ordinary plate glass, 110 be the outer glass of forms assembly, and 120 be that (i.e. sampler buries colloid
Enter position), 130 be window frame structure, and 140 be glass in forms assembly.High-intensitive, the high-air-tightness compoiste adhering of glass surrounding
Two panels or divided glass and sealing strip, glass bar adhering and sealing, centre are filled with dry gas, are filled with desiccant in frame by agent, with
Ensure degree of being air-dried between sheet glass.
Sampler includes: the first frame 210 and the second frame 260, and the first frame 210 and the second frame 260 are set relatively
It sets, one end of the first frame 210 is vertically installed with the first protrusion, and the other end is provided with the first groove, one end of the second frame 260
It being vertically installed with the secondth groove, the other end is vertically installed with the second protrusion, wherein the first protrusion is matched with the second groove,
First groove is matched with the second protrusion, and the first frame and the second frame is made to be detachably connected to form frame entirety.First frame
210 and second the middle part of frame 260 be recessed inwardly, make frame entirety in dumbbell shape structure.
The both ends of frame entirety are additionally provided with connecting plate 250, and connecting plate 250 is detachable by screw 240 and frame entirety
Connection.Frame entirety both ends are provided with screw hole, are set as being interference fitted between screw 240 and screw hole, not solid for preventing
Change and alternately invades.Its length direction is limited certainly in connection by groove and protrusion between first frame 230 and the second frame 260
By spending, and limit by the cooperation of connecting plate 250 and screw 240 freedom degree of its width direction.
On the top end face of the first frame 210 and the second frame 260, it is provided with scale marker 220, scale marker is along
The both ends of one frame 210 and the second frame 260 are symmetrical arranged, and the distance between both ends scale marker 220 is greater than required exemplar
Length is carried out the sizing of length direction using scale marker, sample is facilitated to cut.In the first frame 210 and the second frame
Inside and outside 260, it is provided with the first fluting position 230 and the second fluting position 260, the first fluting position 230 and the second fluting position
About 260 are staggered, and the spacing between the first fluting position 230 and the second fluting position 260 is 2mm, and along sampler
The 2mm side wall of surrounding, does not include upper and lower surface, is coated with teflon coatings, prevents from gluing between colloid and sampler when removing
Even.To guarantee adhesive tape continuity, handled at the top and bottom of sampler without teflon coatings.
The both ends of the first fluting position 230 and the second fluting position 260, the first preformed hole 280a setting is arranged in multiple preformed holes
At the both ends of the first fluting position 230, the second preformed hole 280b setting is slotted 260 both ends of position second, the first preformed hole 280a, the
The center of circle of two preformed hole 280b and the first fluting position 230 and the second fluting position 260 not in the same horizontal line, the first preformed hole
The fluting of 280a and first position edge is tangent, and the center of circle of the first preformed hole 280a is on the lower side, positioned at the lower section of the first fluting position 230, the
The center of circle of two preformed hole 280b and the edge of the second fluting position 260 are tangent, and the center of circle of the second preformed hole 280b is on the upper side, is located at first
The top of fluting position 260.
First fluting position 230 and the second fluting position 260 are mutually staggered in length direction, improve connection weakness rigidity.It opens
The length of slot position is greater than materialsed length.
In the present invention, as a preference, the material selection mould steel of sampler, compared to aluminum alloy mould, mould
Tool steel wearability is good, mirror finish performance is good, hardness is high, the service life is long, and cost is also below aluminum alloy material.Surface roughness should be big
In Rz0.8, therefore mold need to pass through grinding and buffing process.
The present invention also provides it is a kind of for bonded structure ageing properties test adhesive tape sample sampling method, specifically include as
Lower step:
Step 1 cuts sampler profile；
When the three-level for needing to provide vehicle bonded structure distance travelled is repaired, level Four is repaired and Pyatyi repairs adhesive tape, in glass car
The general outline for extracting out pre-buried sampler in window and window frame sealing glue with cutter, must cut when cutting according to mold outer profile
It cuts, avoids being cut into adhesive tape sample parts inside sampler when cutting, along die top and bottom margin by upper top after taking-up
Face and the extra colloid excision of bottom surface are clean, with scraper by mold periphery colloid scraped clean, obtain inside and have adhesive tape, external
Sampler completely without extra colloid；
Step 2 drills after positioning sampler；
The complete sampler of taking-up is placed on smooth testing stand, sampler is reinforced, is guaranteed in boring procedure
Workpiece is firm；When drilling starts, the initial apertures that a depth is 1~2 times of diameter, centering first are played with the good miniature pilot drill of rigidity
The apex point apex angle of brill should be equal to or more than the micro- point angle finally to drill, if the apex angle of pilot drill is smaller, subsequent micro- drilling enters
When, two cutting edges are than top first contact workpiece, the deviation in hole easy to increase, after hold microbit penetrated from sampler side it is pre-
It boxes out to the other side, substep drilling sequence is used in boring procedure, i.e., periodically exits drill bit, prevents hydrocolloid powder from blocking,
The method that compressed air can be used for a large amount of fine powder shape materials that colloid in boring procedure generates helps chip removal.It is drilling
Start at the end of, the amount of feeding should reduce by 1/3 to eliminate centering error；
Sample is cut in step 3, sampler, and four preformed holes of sampler two sides, which drill through, to be finished, by ultra-fine adamantine
Stone line or steel wire saw blade one end are protruded into drilling and are cut respectively along fluting above and below die length direction, cut out in mold
Portion's adhesive tape 2mm thickness sample, adhesive tape thickness and width are standard requirements size at this time.Mould is used as length direction cutting positioning
Has top surface scale marker, steel ruler alignment left and right sides scale marker carries out length along the steel ruler being aligned with sharp icking tool
Colloid cutting obtains test size required standard sample on direction.
Step 4: taking out sample, cut the standard sample finished and be embedded in sampler colloid, will to take out sample
Sampler two sides screw 240 screws out, and 250 plates of connection unload, and releases the left second frame width direction freedom degree of sampler, with
Left second frame is made into colloid exposure by groove and protrusion separation afterwards, is torn top layer and bottom adhesive tape with tweezers, removing two
The extra colloid in side takes out middle part 2mm test adhesive tape.
The present invention also provides a kind of pre-buried method for optimizing position of adhesive tape not to be interrupted using Finite Element Simulation Analysis method
Colloid continuity, do not influence integral strength, can more accurately reflect institute it is loaded in the case where pre-buried position is chosen
Positioning, specific as follows:
Step 1: establishing geometrical model；
According to certain model high-speed EMUs CAD diagram paper, geometrical model foundation is carried out according to dimensioning.
Step 2: carrying out grid dividing；
Grid dividing is carried out to vehicle window geometrical model, FEM meshing is using bottom-up topology creation, from 2D
Grid to 3D hexahedral mesh creation method；After carrying out GTD model elimination chamfering to model, two dimension is carried out in model surface
Square net divides, and two-dimensional grid uses the symmetrical technique of painting, has respectively been divided vehicle window 1/4 using transverse and longitudinal coordinate axis as line of symmetry
Bi Hou carries out mesh refinement to the main stress area in window frame edge and then symmetrically draws whole window two-dimensional mesh to improve analysis precision
Lattice.Hexahedral element shape is controlled by 2D unit, two dimension carries out mesh quality inspection after dividing, Jacobi control exists
Within 0.3, length-width ratio control within 1.2%, with square be it is optimal, grid minimum dimension control be greater than 1mm.Then use
Solid map mapping block one-off drawing on the basis of square 2D grid goes out hexahedral mesh, deletes the extra 2D in original surface layer
Grid, vehicle window grid dividing finish；Model meshes division information is using eight node hexahedral element grid divisions, solid element
Size about 1.5mm, finite element model include: 943252 nodes, 706000 solid elements；
Step 3: applying vertical load to forms, finite element analysis computation is carried out；
Window frame stainless steel material is assigned, vehicle window assigns glass material, stainless steel material elasticity modulus 206GPa is respectively set
And Poisson's ratio 0.3, glass material elasticity modulus 55GPa and Poisson's ratio 0.25；Then the two is assembled；Bonded structure according to
Operating condition as defined in EN12663 standard and pneumatic uniform load are calculated, and high-speed EMUs tunnel operating condition is most dangerous working condition, if
Setting pneumatic uniform load at this time is 6000Pa, applies vertical uniform load, limitation associated freedom constraint on window body glass surface
Vehicle window vibration displacement in the process of running, finally establishes vehicle window finite element analysis model.
Step 4: based on the analysis results, determining pre-buried position；
Determine that sampler is pre-buried by the analysis to bonded adhesives ply stress cloud charts and Aberration nephogram in calculated result
Position；First Principles are chosen in pre-buried position to be selected in the case where not influencing structural strength as far as possible close to the maximum area of stress
Domain, built-in fitting integrally should be under the i.e. same stress level in the uniform region of stress, and proof stress is distributed consistency, will finally imitate
Choose built-in fitting actual placement when result is applied to gluing in very pre-buried position；
It is 0.52Mpa, position according to the maximum stress σ that finite element stimulation result bonded structure glue-line is born
Deformation values are 0.241mm at vehicle window lower edge, maximum distortion, and position is located at vehicle window upper edge；
Therefore, pre-buried position is selected in forms side left margin or the right edge；The two positions are chosen on the one hand to be closer to
Stress maximum region with it keeps certain distance again, avoid because excessively closely caused by forms intensity decline.It on the other hand is due to the left side
Edge and the right are more uniform along stress distribution, are at test specimen under same stress level, guarantee degradation test effect.
Glass for vehicle window bonding generallys use the mode of artificial gluing in production, using technique for sticking, according to the size of vehicle window,
Thickness and weight factor select the bonding agent for being able to satisfy technique requirement.Bonding process is as follows: cleaning substrate-front screen is ground
Dress-protection-brushing activator-brushing silane coupling agent-gluing-front window bonding-drying-cleaning substrate-protection-brushing
Activator-brushing silane coupling agent-gluing-frictioning-drying.
Specific steps: using paper based adhesive tape to being protected around front window and car body window frame bonding site；Using clean
Hairbrush dips in activator and brushes to bonding site；It brushes in one direction, it is desirable that brush uniformly, no holiday, with clean non-woven fabrics
The activator wiped clean that bonding site is brushed in one direction.Activator dries 30min.Primary coat is dipped in using clean hairbrush
Agent is brushed to corresponding bonding site, is brushed in one direction, it is desirable that is brushed uniformly, no holiday.Silane coupling agent dries 30min.Gluing
The thickness for calculating glue-line in advance is needed, before to cut the size of glue rifle Jiao Zui；A period of time is dried after gluing, to colloid
It is pre-buried according to finite element position optimization analysis result progress colloid after slightly solidifying, mold is buckled in the fixed position in window frame colloid side
It tightly on colloid and submerges, tamps sampler by colloid full, sampler inner length direction center 2mm side wall removes
Surrounding teflon coating is handled using teflon coatings to prevent adhesive from sticking at and take outside the sampler of upper and lower surface
On sampling device, subsequent dumbbell shape test specimen production and sampler cleaning are influenced.Sampler is lower than window frame sealing with a thickness of 4mm
Glue thickness is filled not full position to gluing after pre-buried, should be filled and led up after pre-buried using scraper.Then carry out vehicle
Vehicle window is hoisted to car body window frame bonding plane using suspender and is close to the two by window installation, and adjustment glass is allowed to and car body surrounding
Gap is uniform, firmly presses vehicle window to glass for vehicle window outer and car body outer and coincide.Use Binding appts. by vehicle window after bonding
Glass is tightened with car body.After all windows bond 7 days completely, the putty sealing at gap is carried out.In glass and overlaminate
Edges of boards edge splices light-shielding sheet band.Detergent clean surface is coated using clean non-woven fabrics, ventilation time is 5 minutes.Use work
At agent clean seal, then with the smooth binder of smooth agent, light-shielding sheet band is removed immediately after sealing peaceful coulisse gap.Glass
It lifts and vehicle window is protected with fixture and lath with after the sealing of gap putty, front window is protected using belt, and belt is forbidden continuously
Deformation.It is dry finally to carry out adhesive, it is dry to start to forbid to be pulled a cart in rear etc. to cause the work of car body high vibration in the industry
Hold, and pastes caveat on window.After drying.Remove Binding appts..The glue that bonding site is overflowed is cut off using wallpaper knife,
The car body window frame and front screen of silane coupling agent wiping bonding site, and dry 5min are dipped in clean non-woven fabrics.It is required that substrate table
Face is without greasy dirt, dust, moisture, rusty stain etc..
It is close in window frame when the three-level for needing to provide vehicle bonded structure distance travelled is repaired, level Four is repaired and Pyatyi repairs adhesive tape
Pre-buried sampler is extracted out in sealing, with scraper by sampler periphery colloid scraped clean, is then worn with microbit
Saturating preformed hole protrudes into ultra-fine adamantine stone line or steel wire saw blade one end in drilling along fluting above and below sampler length direction
It is cut respectively, cuts out adhesive tape 2mm thickness sample in the middle part of sampler, specimen length is longer than standard specimen length at this time
16mm, width are the 8mm of standard requirements, therefore need to further cut to lengthwise dimension.Length direction cutting positioning uses
Sampler figure mark carries out colloid cutting in width direction along scale marker with common sharp icking tool and is tried
Test size required standard sample.Then two sides screw is screwed out, connecting plate unloads, and left and right component is made by plug organizational separation
Colloid exposure, is torn top layer or bottom adhesive tape with tweezers, and 2mm test adhesive tape in middle part is taken out.
From high-speed EMUs three-level is repaired, level Four is repaired and Pyatyi repair extracted at random in the vehicle window of mileage pre-buried sampler and by
After the above method is cut into test requirements document sized samples, quasi-static tensile is carried out to dumbbell shape test specimen using electronic universal tester
Effect load captures the deflection of adhesive dumbbell shape test specimen, record using contactless tens(i)ometer until test specimen rupture failure
The load-deformation curve of adhesive dumbbell shape test specimen obtains its residual intensity and strengthens aging curve comparison with laboratory, tentatively
Establish the approximation relation between mileage travelled and artificial accelerated aging test cycle-index；Based on the approximation relation, selection is appropriate
Safety coefficient, design strenuous test, predict and assess the natural aging failure behaviour of vehicle window bonded structure, it is suitable to determine
Maintenance solution.
Subsequent bonded structure life prediction:
Step 1: temperature is carried out to the Nian Jie test specimen of anode processing aluminium alloy with Dynamic Load Spectrum according to alternation climatic test condition
Circulation-dynamic load circulation Coupled Dynamic test is spent, stretching examination is carried out to bonding test specimen using cupping machine after the completion of test
It tests, measures residual intensity of each bonding test specimen after Coupled Dynamic test.After the test, individual invalid experiment numbers are excluded
According to and take the average value of every group of test data as bonding test specimen the residual intensity T, T under Dynamic Load Spectrum cycle-index Q1I.e.
It is Dynamic Load Spectrum cycle-index Q under the conditions of alternation climatic test1When be bonded test specimen glue-line residual intensity, TnIndicate alternation
Dynamic Load Spectrum cycle-index Q under the conditions of climatic testnWhen be bonded test specimen glue-line residual intensity.
Step 2: under the conditions of alternation climatic test, at temperature and Different Dynamic load cycle number coupling condition
Metal adhesive test specimen failure mode, residual intensity result are for statistical analysis；Draw alternation climatic test Conditions Temperature and humidity
It couples under environment, the relation curve between residual intensity T=φ (Q) and Different Dynamic loading spectrum cycle-index Q, professional etiquette of going forward side by side rule
The summary of property.Using dynamic load cycle-index Q as independent variable, residual intensity T is dependent variable, and matched curve obtains T=φ's (Q)
Functional relation.
Step 3: extracting the vehicle window bonded structure adhesive tape of high-speed EMUs difference distance travelled, chooses high-speed EMUs fortune
Row L1、L2、L3、…、LnBonding adhesive tape when kilometer on vehicle window bonded structure tests the residual intensity of adhesive tape by tension test
For T1、T2、T3、…、Tn, the aging relationship that matched curve is established between residual intensity T and high-speed EMUs operation milimeter number L is bent
Line T=φ (L).
Step 4: by by the functional relation simultaneous between T=φ (Q) and T=φ (L), tentatively establish mileage travelled L and
Approximation relation L=φ (Q) under the conditions of alternation climatic test between Dynamic Load Spectrum cycle-index Q.
Step 5: being based on approximation relation L=φ (Q), by move under the conditions of alternation climatic test to bonding test specimen
The test of state loading spectrum cycle-index Q, reckoning show that bonding test specimen is equivalent to vehicle window bonding knot when high-speed EMUs runs L kilometers
Structure.The residual intensity of bonding test specimen adhesive tape is obtained by tension test, it is viscous to be approximately equal to vehicle window when high-speed EMUs runs L kilometers
The residual intensity of binding structure adhesive tape.The ageing failure behavior of vehicle window bonded structure is predicted and assesses, it is viscous for high-speed EMUs vehicle window
The Intensity Design of binding structure provides test and theoretic support.
Although the embodiments of the present invention have been disclosed as above, but its is not only in the description and the implementation listed
With it can be fully applied to various fields suitable for the present invention, for those skilled in the art, can be easily
Realize other modification, therefore without departing from the general concept defined in the claims and the equivalent scope, the present invention is simultaneously unlimited
In specific details and legend shown and described herein.
Claims (10)
1. a kind of adhesive tape sample sampling device for the test of bonded structure ageing properties characterized by comprising
First frame, one end are vertically installed with the first protrusion, and the other end is vertically installed with the first groove, and middle part is recessed inwardly
It falls into；
Second frame, one end are vertically installed with the second groove, and the other end is vertically installed with the second protrusion, and middle part is recessed inwardly
It falls into；
Wherein, first protrusion is matched with second groove, and first groove is matched with second protrusion, is made
First frame and second frame are detachably connected to form frame entirety；
First fluting position, is provided on the side inside and outside first frame and second frame；
Second fluting position, with the first fluting bit interval setting；
Multiple preformed holes are separately positioned on the both ends of the first fluting position and second fluting position.
2. the adhesive tape sample sampling device according to claim 1 for the test of bonded structure ageing properties, feature exist
In the preformed hole and the fluting position are tangent.
3. the adhesive tape sample sampling device according to claim 2 for the test of bonded structure ageing properties, feature exist
In, further includes:
Two connecting plates are detachably arranged in outside two end faces of the frame entirety.
4. the adhesive tape sample sampling device according to claim 3 for the test of bonded structure ageing properties, feature exist
In being divided into 2mm between described.
5. the adhesive tape sample sampling device according to claim 4 for the test of bonded structure ageing properties, feature exist
In the frame entirety surrounding is coated with teflon coatings.
6. the adhesive tape sample sampling device according to claim 5 for the test of bonded structure ageing properties, feature exist
In the frame entirety is in dumbbell-shaped structure.
7. the adhesive tape sample sampling device according to claim 6 for the test of bonded structure ageing properties, feature exist
In first frame and second frame roof are provided with scale.
8. a kind of adhesive tape sample sampling method for the test of bonded structure ageing properties, uses claim 1-7 any one
The adhesive tape sample sampling device for the test of bonded structure ageing properties, which is characterized in that specifically include as follows:
Step 1 cuts sampler profile；
Step 2, by the sampler locations of contours on testing stand, use the reserved of boring bar tool alignment sampler side
Hole drills from one side of sampler to the other side, obtains the sampler that both ends have through-hole；
Step 3 successively protrudes into cutting tool in the through-hole of sampler profile one end, from one end to the other end along fluting position
It is cut；
Step 4 dismantles the first frame and the second frame, removes and tears extra adhesive tape, obtain target sample.
9. a kind of pre-buried method for optimizing position of adhesive tape, using being used for bonded structure aging described in claim 1-7 any one
The adhesive tape sample sampling device of performance test, which is characterized in that the pre-buried position of the sampler is optimized, including such as
Under:
Determine target vehicle window size；Vertical load is applied to the bonding glue-line of forms, carries out analytical calculation；Based on the analysis results,
Determine pre-buried position；
Wherein it is determined that pre-buried position is close to the vehicle window side edge in maximum stress region and maximum distortion region.
10. the pre-buried method for optimizing position of adhesive tape according to claim 9, which is characterized in that the bonding glue-line of the vehicle window
The maximum stress born is 0.52Mpa, and the deformation values at maximum distortion are 0.241mm.
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20140124526A (en) * | 2013-04-17 | 2014-10-27 | 주식회사 엘지화학 | Method of manufacturing sample for mesuring adhesive strength of cured film and method of mesuring adhesive strength by using the sample |
| CN107121315A (en) * | 2016-02-25 | 2017-09-01 | 陕西飞机工业（集团）有限公司 | A kind of 180 ° of peel strength preparation method of sample of fluid sealant |
| CN108152097A (en) * | 2017-12-04 | 2018-06-12 | 中国航发北京航空材料研究院 | A kind of tooling for cutting 180 ° of peel test specimens of sealant |
| CN108414438A (en) * | 2017-02-09 | 2018-08-17 | 上海汽车集团股份有限公司 | Sample and test method for 90 ° of peeling strength of adhesive joint experiments |
| CN209841412U (en) * | 2019-04-18 | 2019-12-24 | 吉林大学 | A adhesive tape sample sampling device for bonding structure aging testing |
-
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20140124526A (en) * | 2013-04-17 | 2014-10-27 | 주식회사 엘지화학 | Method of manufacturing sample for mesuring adhesive strength of cured film and method of mesuring adhesive strength by using the sample |
| CN107121315A (en) * | 2016-02-25 | 2017-09-01 | 陕西飞机工业（集团）有限公司 | A kind of 180 ° of peel strength preparation method of sample of fluid sealant |
| CN108414438A (en) * | 2017-02-09 | 2018-08-17 | 上海汽车集团股份有限公司 | Sample and test method for 90 ° of peeling strength of adhesive joint experiments |
| CN108152097A (en) * | 2017-12-04 | 2018-06-12 | 中国航发北京航空材料研究院 | A kind of tooling for cutting 180 ° of peel test specimens of sealant |
| CN209841412U (en) * | 2019-04-18 | 2019-12-24 | 吉林大学 | A adhesive tape sample sampling device for bonding structure aging testing |
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